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/* Copyright (c) 2000, 2001, 2006 MySQL AB
Use is subject to license terms.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Do udiv and urem if machine dosn't have it */
#include <my_global.h>
#include <math.h>
unsigned long udiv(long unsigned int a, long unsigned int b)
{
if (a < INT_MAX32 && b < INT_MAX32)
return (unsigned long) ((long) a / (long) b);
if (!(b & 1))
return (unsigned long) ((long) (a >> 1) / (long) (b >> 1));
return (unsigned long) floor(((double) a / (double) b));
}
unsigned long urem(long unsigned int a, long unsigned int b)
{
if (a < INT_MAX32 && b < INT_MAX32)
return (unsigned long) ((long) a % (long) b);
return a-udiv(a,b)*b;
}
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